NORTHROP GRUMMAN CORPORATION SUBSIDIARIES

Address for all subsidiaries (unless otherwise noted) is:

c/o NORTHROP GRUMMAN CORPORATION
Office of the Corporate Secretary
1840 Century Park East
Los Angeles, California 90067

1.	Allied Holdings, Inc.- DE
		Allied Transportation Products, Inc. - DE
		Grumman Credit Corporation - DE
2.	California Microwave, Inc. -DE
3.	Comptek Research, Inc. - NY
		Telemus, Inc. - Ontario, Canada
		Advanced Systems Development, Inc. -NY
		Comptek Amherst Systems, Inc. - NY
		Comptek Federal Systems, Inc. - NY
		PRB Associates, Inc. - MD
		Sim Wright, Inc. - FL
		Comptek Research International Corp. -NY
		Comptek Research, Ltd. - Virgin Islands
		Comptek Technical Services, Inc.-DE
		Comptek Telecommunications, Inc.-NY
		Industrial Systems Service, Inc.-PA
4.	Data Procurement Corporation, Inc. - MD (merged into Logicon, Inc. 12/29/00)
5.	Federal Data Corporation-DE
		Doxsys, Inc.-DE
		R.O.W. Sciences, Inc.-DE
		FDCT Corp. - DE
		Sylvest Management Systems, Inc. - DE
		FDC Technologies, Inc. - DE
		NYMA, Inc. - MD
		Technical and Management Assistance, Inc. - NJ
		Ardel Inc. (formerly: VAD International)
6.	Grumman International, Inc. - NY
7.	Grumman Ohio Corporation - DE
8.	IRAN - Northrop Grumman Programs Service Company - DE
9.	Logicon Commercial Information Services Inc. - MD
10.	Logicon, Inc. - DE
		International Research Institute, Inc. - VA (merged into Logicon, Inc. 12/29/00)
			International Research Institute, Inc. - UK address:        Alpha House                      Chilworth Research Centre                      Southampton S016 7NS                      United Kingdom
			Logicon Technical Services, Inc. - CA
11.	Logicon International, Inc. - FL
12.	Mocit, Inc. - DE
13.	NGC Denmark ApS -Denmark
		Park AirSystems AS - Norway address:        Enebakkvien 150                      P.O. Box 50 Manglerud                      0612 Oslo                      NORWAY
14.	Northrop Grumman Aviation, Inc. - DE
15.	Northrop Grumman - Canada, Ltd. - Ontario, Canada           address:                c/o Gowling, Strathy & Henderson                                       120 King Street West, Suite 600                                       Hamilton, Ontario L8P 4V2
16.	Northrop Grumman Electronic Systems International Company - DE
17.	Northrop Grumman Electronic Systems International Company (UK)-DE
18.	Northrop Grumman Electronics Systems Integration International, Inc. - CA
		Northrop Electronic Systems Integration Limited -UK      address:        Senator House                           85 Queen Victoria Street                           London EC4V 4IL
19.	Northrop Grumman Field Support Services, Inc. - DE
20.	Northrop Grumman Foreign Sales Corporation - Barbados                   address:         c/o Chase Trade, Inc.                                            Stevmar House, Suite 2                                            Rockley, Christ Church                                            Barbados
21.	Northrop Grumman International, Inc. - DE
		Northrop Grumman Singapore Private Limited - Singapore      address:        250 North Bridge Road #15-04                           Raffles City Tower                           Singapore 179101
22.	Northrop Grumman International Services Company, Inc. - DE
23.	Northrop Grumman ISA International, Inc. - DE
24.	Northrop Grumman Overseas Holdings, Inc. - DE
		Northrop Grumman Electronic Sensors and Systems International, Inc.-DE         Wescan Europe Ltd. (Ireland) - Ireland      address:        3 Burlington Road                           Dublin 4, Ireland
		Northrop Grumman Electronicos, Inc. - DE
		Northrop Grumman Overseas Holdings (U.K.), Ltd. - UK       address:       c/o Baker & McKenzie                          100 New Bridge Street                          London EC4V 6JA                          United Kingdom Park Air Electronics Ltd. (UK) - UK       address:       Northfields                           Market Deeping                           Peterborough                           PE6 8LG                           England                           Remotec, UK - UK
25.	Northrop Grumman Overseas Service Corporation - DE
26.	Northrop Grumman Space Operations, L.P. - DE
27.	Northrop Grumman Tactical Systems, LLC - DE
28.	Northrop Grumman Technical Services Corporation - DE
29.	Northrop Grumman Technical Services, Inc. - OK
30.	Northrop International Aircraft, Inc. - CA
31.	Park Air Electronics, Inc. - DE
32.	Perceptics Corporation - TN
33.	Remotec, Inc. - TN                96% owned by NGC                4% owned by Toyo Engineering Corporation (Japan)
34.	Sterling Software (U.S.) Inc.
35.	Sterling Software Weather, Inc.
36.	Xetron Corporation - OH